Classic Sudoku · 4×4 · 2026-07-16
Classic Sudoku 4×4
Easy
Complete the 4×4 Sudoku grid.
Fill each empty cell with a number from 1 to 4. Each number must appear exactly once in every row, every column, and every 2×2 box.
When you finish, click “Check answer” to verify your solution.
Need a hint?
Start with the rows, columns, or 2×2 boxes that already contain the most numbers. Check which numbers from 1 to 4 are missing and eliminate those already used.
4213
Select an empty square, choose a symbol, then check your answer.